Audemars Piguet caliber AP 2240

Audemars Piguet caliber AP 2240
Brand:Audemars Piguet
Reference:AP 2240
Base: Audemars Piguet AP 2140
Movement:Automatic
Display:Analog
Diameter:21.30
Jewels:28
Reserve:40
Frequency:28800
Date:Date
Hands:Hours, Minutes, Seconds

Description

Basic thickness : 4.00 mm
Total diameter : 21.30 mm
Frequency : 28,800 vibrations/hour (4 Hz)
Number of jewels : 28
Minimal power reserve : approx. 40 hours
Unidirectional automatic winding
(clockwise – the dial side)
Oscillating weight mounted on an unlubricated
ceramic ball bearing, with one segment of the weight made of 21-carat gold
Balance with variable inertia blocks
Flat balance-spring
Mobile stud-holder

All watches using this caliber: